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NDQ_014245 | fluid-filled structure in the inner ear that is lined with hair cells | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | c | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014246 | The role of hearing protectors is to keep foreign objects out of the ears. | a. true, b. false | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014247 | tube that carries sound waves into the ear | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014248 | The eardrum is the first structure of the ear to vibrate when sound waves strike it. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014249 | Waves in cochlear fluid bend the hair-like projections of hair cells. | a. true, b. false | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014250 | membrane in the outer ear that vibrates when sound waves strike it | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | e | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014251 | tiny structure in the inner ear that changes vibrations to nerve impulses | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | f | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014252 | part of the ear that transmits and amplifies vibrations from the eardrum | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014253 | The arrangement of the ossicles in the middle ear allows them to work together as a(n) | a. inclined plane, b. wedge, c. screw, d. lever | d | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014254 | When the oval window in the ear vibrates, it causes vibrations in the | a. anvil, b. cochlea, c. hammer, d. eardrum | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014255 | Which of the following ear structures is damaged by excessive exposure to loud sounds? | a. pinna, b. ossicle, c. hair cell, d. ear canal | c | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014256 | When the cochlea vibrates, it causes | a. waves to pass through the cochlear fluid, b. sound waves to increase in frequency, c. the ossicles to start vibrating faster, d. two of the above | a | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014257 | Hearing loss due to exposure to loud sounds is | a. common, b. permanent, c. preventable, d. all of the above | d | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014258 | Activities that may expose people to dangerously loud sounds include | a. lawn mowing, b. snowmobile riding, c. construction work, d. all of the above | d | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014259 | Which statement about electronic hearing protectors is true? | a. They muffle all sounds, b. They generate anti-noise sound waves, c. They send electronic signals to the brain, d. They use insulation to block sound waves | b | Lesson: hearing sound
How We Hear:
Figure 20.7 shows the three main parts of the ear: the outer, middle, and inner ear. It also shows the specific structures in each part. The roles of these structures in hearing are described below and in the animations at these URLS: (1:43) MEDIA Click image to the left or use the ... |
NDQ_014267 | use of ultrasound to locate underwater objects | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014268 | Resonance is used in musical instruments to increase the | a. frequency of sound waves, b. amplitude of sound waves, c. wavelength of sound waves, d. two of the above | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014269 | use of ultrasound to examine structures inside the body | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | f | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014270 | You can raise the pitch of the sound produced by a violin string by | a. shortening the part of the string that vibrates, b. plucking instead of bowing the string, c. applying more pressure with the bow, d. none of the above | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014271 | Uses of ultrasound include | a. creating images of organs inside the body, b. making music with musical instruments, c. communicating with the human voice, d. all of the above | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014272 | sound with a frequency higher than 20,000 hertz | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | d | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014273 | use of ultrasound by animals to locate objects they cannot see | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | c | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014274 | What does sonar stand for? | a. source of naval resistance, b. source of noise and resonance, c. sound navigation and ranging, d. submarine navigation and resolution | c | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014275 | vibration of an object in response to sound waves of a certain frequency | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014276 | Increasing the amplitude of sound waves produced by a musical instrument makes the sound | a. lower, b. higher, c. softer, d. louder | d | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014277 | how high or low a sound seems to a listener | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | e | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014280 | Basic categories of musical instruments include | a. wind instruments, b. string instruments, c. percussion instruments, d. all of the above | d | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014281 | You can change the pitch of a saxophone by | a. playing the instrument without a reed on the mouthpiece, b. opening or closing holes on the sides of the instrument, c. blowing harder through the instruments mouthpiece, d. none of the above | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014284 | The sound of a drum is amplified when the | a. air inside the drum vibrates, b. skin of the drum is loosened, c. sticks of the drum start to vibrate, d. size of the drum is reduce | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014286 | All of the following instruments are wind instruments except | a. flutes, b. violins, c. trumpets, d. saxophones | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014287 | You play a xylophone by hitting wooden bars with rubber mallets. Which type of musical instrument is a xylophone? | a. wind instrument, b. string instrument, c. percussion instrument, d. none of the above | c | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014288 | All musical instruments create sound by causing a reed to vibrate. | a. true, b. false | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014289 | Uses of ultrasound include | a. sonar, b. echolocation, c. ultrasonography, d. all of the above | d | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014290 | Smaller drums produce higher-frequency sound waves than larger drums. | a. true, b. false | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014291 | Animals that use echolocation include | a. bats, b. whales, c. dolphins, d. all of the above | d | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014292 | Ultrasound has frequencies lower than 20 hertz. | a. true, b. false | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014293 | Ultrasonography has been used to determine the depth of the ocean. | a. true, b. false | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014295 | Animals that use echolocation include bats and whales. | a. true, b. false | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014302 | The earliest musical instruments date back to about 1900. | a. true, b. false | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014303 | All musical instruments make sound in the same general way. | a. true, b. false | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014304 | Instruments use resonance to make sounds higher in pitch. | a. true, b. false | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014305 | A saxophone makes sound when the musician blows across a thin piece of wood. | a. true, b. false | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014306 | Some animals use reflected sound waves to locate prey. | a. true, b. false | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014307 | Sonar works on the same principle as echolocation. | a. true, b. false | a | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014308 | The only use of ultrasonography is to create images of unborn babies. | a. true, b. false | b | Lesson: using sound
Making Music:
People have been using sound to make music for thousands of years. They have invented many different kinds of musical instruments for this purpose. Despite their diversity, however, musical instruments share certain similarities. All musical instruments create sound by causing matter ... |
NDQ_014309 | Examples of electromagnetic waves include | a. radio waves, b. light, c. X rays, d. all of the above | d | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014310 | All of the following are examples of electromagnetic waves except | a. sound waves, b. microwaves, c. gamma rays, d. infrared light | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014311 | A vibrating electric field creates a | a. mechanical wave, b. charged particle, c. magnetic field, d. photon | c | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014312 | An electromagnetic wave begins when a(n) | a. atom loses an electron, b. magnet is connected to a battery, c. charged particle vibrates, d. electron is magnetize | c | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014313 | As an electromagnetic wave travels through space, it | a. becomes stronger, b. keeps changing direction, c. loses energy to the medium, d. spreads out over a larger area | d | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014314 | Which of the following waves does not require a medium? | a. ocean waves, b. earthquake waves, c. sound waves, d. radio waves | d | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014315 | Most of the electromagnetic radiation on Earth comes from | a. the sun, b. radio towers, c. X ray machines, d. microwave ovens | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014316 | When electromagnetic waves strike matter, they may | a. reflect, b. refract, c. diffract, d. all of the above | d | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014317 | Which of the following statements about electromagnetic radiation is false? | a. It provides virtually all the energy for life on Earth, b. It behaves like a wave most of the time, c. Sometimes it behaves like a particle, d. All of its wavelengths are harmful | d | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014318 | Uses of electromagnetic radiation include | a. cooking, b. communications, c. medicine, d. all of the above | d | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014320 | What do radio waves and sound waves have in common? | a. Both waves are transverse waves, b. Both waves are mechanical waves, c. Both waves transfer energy, d. Both waves need a medium | c | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014321 | An electromagnetic wave consists of a vibrating | a. magnetic field, b. electric field, c. particle of matter, d. two of the above | d | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014323 | When a charged particle vibrates, it causes the electric field around it to vibrate. | a. true, b. false | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014326 | The two fields of an electromagnetic wave occur at right angles to each other. | a. true, b. false | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014328 | Both fields of an electromagnetic wave vibrate in the same direction that the wave travels. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014329 | The wave-particle theory explains the difference between electromagnetic and mechanical waves. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014330 | Electromagnetic waves cannot travel through matter. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014331 | A vibrating electric field generates a charged particle. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014332 | Electromagnetic waves may spread out and travel around obstacles. | a. true, b. false | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014333 | When electrons return to lower energy levels, they give off particles of matter. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014334 | All electromagnetic radiation is dangerous except for light. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014335 | Electromagnetic waves are used for communications, cooking, and medicine. | a. true, b. false | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014336 | Electromagnetic radiation provides the energy that plants need for photosynthesis. | a. true, b. false | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014337 | An electromagnetic wave gains energy as it travels across space. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014338 | The human eye can detect all frequencies of electromagnetic waves. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014339 | All of the suns electromagnetic radiation travels to Earth. | a. true, b. false | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014340 | Einstein explained how light can behave both as a wave and as a particle. | a. true, b. false | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014341 | transfer of energy by waves such as radio waves and light | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | e | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014342 | explanation for how light can behave as both a wave and a particle | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | f | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014343 | invisible area of force surrounding a charged particle | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | g | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014344 | wave in which vibrations occur at right angles to the direction the wave travels | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | d | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014345 | packet of electromagnetic energy | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | a | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014346 | wave that consists of vibrating electric and magnetic fields | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | b | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014347 | invisible area of force surrounding a magnet | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | c | Lesson: electromagnetic waves
What Are Electromagnetic Waves:
An electromagnetic wave is a wave that consists of vibrating electric and magnetic fields. A familiar example will help you understand the fields that make up an electromagnetic wave. Think about a common bar magnet. It exerts magnetic force in an area surr... |
NDQ_014356 | How long does it take electromagnetic radiation to reach Earth from the sun? | a. 1 second, b. 7.5 seconds, c. 8 minutes, d. 93 minutes | c | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014358 | What happens to light when it passes from water to air? | a. Its speed decreases, b. Its frequency increases, c. Its wavelength decreases, d. none of the above | d | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014359 | If the frequency of an electromagnetic wave is 6.0 108 hertz, what is its wavelength? | a. 0.5 m, b. 1.0 m, c. 1.5 m, d. 2.0 m | a | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014362 | Electromagnetic waves with the lowest frequencies may have wavelengths as long as | a. many kilometers, b. a few meters, c. a couple of centimeters, d. a fraction of a millimeter | a | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014364 | Which statement about electromagnetic waves is true? | a. An electromagnetic wave with a shorter wavelength has a lower frequency, b. All electromagnetic waves travel at the same speed across space, c. All electromagnetic waves are harmful, d. none of the above | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014368 | Some electromagnetic waves are extremely harmful. | a. true, b. false | a | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014371 | All electromagnetic waves travel at the same speed across space. | a. true, b. false | a | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014373 | It takes electromagnetic radiation 93 minutes to reach Earth from the sun. | a. true, b. false | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014374 | All electromagnetic waves have the same wavelength. | a. true, b. false | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014375 | Electromagnetic waves travel more quickly through a medium than they do across space. | a. true, b. false | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014376 | The frequencies of electromagnetic waves range from 1 to 100 hertz. | a. true, b. false | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014377 | The highest-frequency electromagnetic waves may have frequencies of trillions of hertz. | a. true, b. false | a | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014378 | The frequency of an electromagnetic wave is inversely related to its wavelength. | a. true, b. false | a | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014379 | Light is diffracted when it passes from air to water at an angle. | a. true, b. false | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014380 | Light has a faster speed across space than do any other wavelengths of electromagnetic radiation. | a. true, b. false | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014381 | Electromagnetic waves travel at the same speed in all media. | a. true, b. false | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014382 | If you know only the wavelength of an electromagnetic wave, you can calculate its frequency. | a. true, b. false | a | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014383 | distance between corresponding points of adjacent waves | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | b | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014384 | fastest known speed in the universe | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | a | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014385 | matter through which an electromagnetic wave may travel | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | f | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
NDQ_014386 | number of waves that pass a fixed point in a given amount of time | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | c | Lesson: properties of electromagnetic waves
Speed of Electromagnetic Waves:
All electromagnetic waves travel at the same speed through empty space. That speed, called the speed of light, is 300 million meters per second (3.0 108 m/s). Nothing else in the universe is known to travel this fast. If you could move that f... |
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